1 /* 2 * SPDX-FileCopyrightText: 2015-2021 Espressif Systems (Shanghai) CO LTD 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 */ 6 7 8 /***************************************************************************** 9 ** 10 ** Name: btc_av_api.h 11 ** 12 ** Description: This is the public interface file for the advanced 13 ** audio/video streaming (AV) subsystem of BTC. 14 ** 15 *****************************************************************************/ 16 17 #ifndef __BTC_AV_API_H__ 18 #define __BTC_AV_API_H__ 19 20 #include "common/bt_target.h" 21 #include "bta/bta_av_api.h" 22 #include "stack/a2d_api.h" 23 #include "stack/a2d_sbc.h" 24 25 #if (BTC_AV_INCLUDED == TRUE) 26 /***************************************************************************** 27 ** Constants and data types 28 *****************************************************************************/ 29 30 /* Codec type */ 31 #define BTC_AV_CODEC_NONE 0xFF 32 #define BTC_AV_CODEC_SBC A2D_MEDIA_CT_SBC /* SBC media codec type */ 33 34 #define BTC_AV_CODEC_PCM 0x5 /* Raw PCM */ 35 36 typedef UINT8 tBTC_AV_CODEC_ID; 37 38 /* AV features masks */ 39 #define BTC_AV_FEAT_RCTG BTA_AV_FEAT_RCTG /* remote control target */ 40 #define BTC_AV_FEAT_RCCT BTA_AV_FEAT_RCCT /* remote control controller */ 41 #define BTC_AV_FEAT_METADATA BTA_AV_FEAT_METADATA /* remote control Metadata Transfer command/response */ 42 43 typedef UINT16 tBTC_AV_FEAT; 44 45 /* AV channel values */ 46 #define BTC_AV_CHNL_MSK BTA_AV_CHNL_MSK 47 #define BTC_AV_CHNL_AUDIO BTA_AV_CHNL_AUDIO /* audio channel */ 48 #define BTC_AV_CHNL_VIDEO BTA_AV_CHNL_VIDEO /* video channel */ 49 typedef UINT8 tBTC_AV_CHNL; 50 51 typedef UINT8 tBTC_AV_HNDL; 52 53 /* Operation id list for BTC_AvRemoteCmd */ 54 #define BTC_AV_ID_SELECT 0x00 /* select */ 55 #define BTC_AV_ID_UP 0x01 /* up */ 56 #define BTC_AV_ID_DOWN 0x02 /* down */ 57 #define BTC_AV_ID_LEFT 0x03 /* left */ 58 #define BTC_AV_ID_RIGHT 0x04 /* right */ 59 #define BTC_AV_ID_RIGHT_UP 0x05 /* right-up */ 60 #define BTC_AV_ID_RIGHT_DOWN 0x06 /* right-down */ 61 #define BTC_AV_ID_LEFT_UP 0x07 /* left-up */ 62 #define BTC_AV_ID_LEFT_DOWN 0x08 /* left-down */ 63 #define BTC_AV_ID_ROOT_MENU 0x09 /* root menu */ 64 #define BTC_AV_ID_SETUP_MENU 0x0A /* setup menu */ 65 #define BTC_AV_ID_CONT_MENU 0x0B /* contents menu */ 66 #define BTC_AV_ID_FAV_MENU 0x0C /* favorite menu */ 67 #define BTC_AV_ID_EXIT 0x0D /* exit */ 68 #define BTC_AV_ID_0 0x20 /* 0 */ 69 #define BTC_AV_ID_1 0x21 /* 1 */ 70 #define BTC_AV_ID_2 0x22 /* 2 */ 71 #define BTC_AV_ID_3 0x23 /* 3 */ 72 #define BTC_AV_ID_4 0x24 /* 4 */ 73 #define BTC_AV_ID_5 0x25 /* 5 */ 74 #define BTC_AV_ID_6 0x26 /* 6 */ 75 #define BTC_AV_ID_7 0x27 /* 7 */ 76 #define BTC_AV_ID_8 0x28 /* 8 */ 77 #define BTC_AV_ID_9 0x29 /* 9 */ 78 #define BTC_AV_ID_DOT 0x2A /* dot */ 79 #define BTC_AV_ID_ENTER 0x2B /* enter */ 80 #define BTC_AV_ID_CLEAR 0x2C /* clear */ 81 #define BTC_AV_ID_CHAN_UP 0x30 /* channel up */ 82 #define BTC_AV_ID_CHAN_DOWN 0x31 /* channel down */ 83 #define BTC_AV_ID_PREV_CHAN 0x32 /* previous channel */ 84 #define BTC_AV_ID_SOUND_SEL 0x33 /* sound select */ 85 #define BTC_AV_ID_INPUT_SEL 0x34 /* input select */ 86 #define BTC_AV_ID_DISP_INFO 0x35 /* display information */ 87 #define BTC_AV_ID_HELP 0x36 /* help */ 88 #define BTC_AV_ID_PAGE_UP 0x37 /* page up */ 89 #define BTC_AV_ID_PAGE_DOWN 0x38 /* page down */ 90 #define BTC_AV_ID_POWER 0x40 /* power */ 91 #define BTC_AV_ID_VOL_UP 0x41 /* volume up */ 92 #define BTC_AV_ID_VOL_DOWN 0x42 /* volume down */ 93 #define BTC_AV_ID_MUTE 0x43 /* mute */ 94 #define BTC_AV_ID_PLAY 0x44 /* play */ 95 #define BTC_AV_ID_STOP 0x45 /* stop */ 96 #define BTC_AV_ID_PAUSE 0x46 /* pause */ 97 #define BTC_AV_ID_RECORD 0x47 /* record */ 98 #define BTC_AV_ID_REWIND 0x48 /* rewind */ 99 #define BTC_AV_ID_FAST_FOR 0x49 /* fast forward */ 100 #define BTC_AV_ID_EJECT 0x4A /* eject */ 101 #define BTC_AV_ID_FORWARD 0x4B /* forward */ 102 #define BTC_AV_ID_BACKWARD 0x4C /* backward */ 103 #define BTC_AV_ID_ANGLE 0x50 /* angle */ 104 #define BTC_AV_ID_SUBPICT 0x51 /* subpicture */ 105 #define BTC_AV_ID_F1 0x71 /* F1 */ 106 #define BTC_AV_ID_F2 0x72 /* F2 */ 107 #define BTC_AV_ID_F3 0x73 /* F3 */ 108 #define BTC_AV_ID_F4 0x74 /* F4 */ 109 #define BTC_AV_ID_F5 0x75 /* F5 */ 110 #define BTC_AV_ID_VENDOR 0x7E /* vendor unique */ 111 #define BTC_AV_KEYPRESSED_RELEASE 0x80 112 113 typedef UINT8 tBTC_AV_RC; 114 115 /* State flag for pass through command */ 116 #define BTC_AV_STATE_PRESS 0 /* key pressed */ 117 #define BTC_AV_STATE_RELEASE 1 /* key released */ 118 119 typedef UINT8 tBTC_AV_STATE; 120 121 typedef UINT8 tBTC_AV_RC_HNDL; 122 123 /* Command codes for BTC_AvVendorCmd */ 124 #define BTC_AV_CMD_CTRL 0 125 #define BTC_AV_CMD_STATUS 1 126 #define BTC_AV_CMD_SPEC_INQ 2 127 #define BTC_AV_CMD_NOTIF 3 128 #define BTC_AV_CMD_GEN_INQ 4 129 130 typedef UINT8 tBTC_AV_CMD; 131 132 /* AV callback events */ 133 #define BTC_AV_OPEN_EVT 0 /* connection opened */ 134 #define BTC_AV_CLOSE_EVT 1 /* connection closed */ 135 #define BTC_AV_START_EVT 2 /* stream data transfer started */ 136 #define BTC_AV_STOP_EVT 3 /* stream data transfer stopped */ 137 #define BTC_AV_RC_OPEN_EVT 4 /* remote control channel open */ 138 #define BTC_AV_RC_CLOSE_EVT 5 /* remote control channel closed */ 139 #define BTC_AV_REMOTE_CMD_EVT 6 /* remote control command */ 140 #define BTC_AV_REMOTE_RSP_EVT 7 /* remote control response */ 141 #define BTC_AV_META_MSG_EVT 8 /* metadata messages */ 142 143 typedef UINT8 tBTC_AV_EVT; 144 145 #define BTC_AV_FEEDING_ASYNCHRONOUS 0 /* asynchronous feeding, use tx av timer */ 146 #define BTC_AV_FEEDING_SYNCHRONOUS 1 /* synchronous feeding, no av tx timer */ 147 148 #define BTC_AV_MAX_SYNCHRONOUS_LATENCY 80 /* max latency in ms for BTC_AV_FEEDING_SYNCHRONOUS */ 149 #define BTC_AV_MIN_SYNCHRONOUS_LATENCY 4 /* min latency in ms for BTC_AV_FEEDING_SYNCHRONOUS */ 150 151 typedef UINT8 tBTC_AV_FEEDING_MODE; 152 153 #define BTC_AV_CHANNEL_MODE_MONO A2D_SBC_IE_CH_MD_MONO 154 #define BTC_AV_CHANNEL_MODE_STEREO A2D_SBC_IE_CH_MD_STEREO 155 #define BTC_AV_CHANNEL_MODE_JOINT A2D_SBC_IE_CH_MD_JOINT 156 #define BTC_AV_CHANNEL_MODE_DUAL A2D_SBC_IE_CH_MD_DUAL 157 158 typedef UINT8 tBTC_AV_CHANNEL_MODE; 159 160 /** 161 * Structure used to configure the AV codec capabilities/config 162 */ 163 typedef struct { 164 tBTC_AV_CODEC_ID id; /* Codec ID (in terms of BTC) */ 165 UINT8 info[AVDT_CODEC_SIZE]; /* Codec info (can be config or capabilities) */ 166 } tBTC_AV_CODEC_INFO; 167 168 /** 169 * Structure used to configure the AV media feeding 170 */ 171 typedef struct { 172 UINT16 sampling_freq; /* 44100, 48000 etc */ 173 UINT16 num_channel; /* 1 for mono or 2 stereo */ 174 UINT8 bit_per_sample; /* Number of bits per sample (8, 16) */ 175 } tBTC_AV_MEDIA_FEED_CFG_PCM; 176 177 typedef union { 178 tBTC_AV_MEDIA_FEED_CFG_PCM pcm; /* Raw PCM feeding format */ 179 } tBTC_AV_MEDIA_FEED_CFG; 180 181 typedef struct { 182 tBTC_AV_CODEC_ID format; /* Media codec identifier */ 183 tBTC_AV_MEDIA_FEED_CFG cfg; /* Media codec configuration */ 184 } tBTC_AV_MEDIA_FEEDINGS; 185 186 187 #ifdef __cplusplus 188 } 189 #endif 190 191 #endif ///BTC_AV_INCLUDED == TRUE 192 193 #endif /* __BTC_AV_API_H__ */ 194
